/*************************************************************************
	> File Name: 大数相加.cpp
	> Author: zhangfb
	> Mail: 1819067326
	> Created Time: 二  4/13 23:45:39 2021
 ************************************************************************/

#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <vector>
#include <stack>
using namespace std;


vector<int>add(vector<int>&A, vector<int>&B) {
    int t = 0;
    vector<int>C;
    for (int i = 0; i < A.size() || i < B.size(); i++) {
        if (i < A.size()) t += A[i];
        if (i < B.size()) t += B[i];
        C.push_back(t % 10);
        t /= 10;
    }
    if (t) C.push_back(1);
    return C;
}

int main() {
    string a, b;
    vector<int> A, B;
    cin >> a >> b;
    for (int i = a.size() - 1; i >= 0; i--) A.push_back(a[i] - '0');
    for (int i = b.size() - 1; i >= 0; i--) B.push_back(b[i] - '0');
    auto C = add(A, B);
    for (int i = C.size() - 1; i >= 0; i--) {
        cout << C[i];
    }
    return 0;
}
